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na mtk6572.exe

Microsoft Windows Operating System

Smart Union

While the file properties state the file is developed by 'Microsoft Corporation', this is not the case and it is designed just to look like a legitimate Microsoft system file. The application na mtk6572.exe by Smart Union has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from dnsrv.ru.
Publisher:
Microsoft Corporation  (signed by Smart Union)

Product:
Microsoft® Windows(TM) Operating System

Description:
SAPISVR 5

Version:
5.1.4111.00 (XPClient.010817-1148)

MD5:
d65e101635d9ec451cdc5577a02c768d

SHA-1:
e6c4f216c16a464aebe69055335c2709df9ac879

SHA-256:
f303589fc8ef86b23fc19b04108b78b07fc2279bb21d9901a991b3381c0c40e6

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/11/2025 4:47:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SmartUni (M)
16.6.23.0

File size:
527.5 KB (540,176 bytes)

Product version:
5.1.4111.00

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
SAPISVR5

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\na mtk6572.exe

Digital Signature
Signed by:
Smart Union

Authority:
COMODO CA Limited

Valid from:
5/25/2016 6:00:00 AM

Valid to:
5/26/2017 5:59:59 AM

Subject:
CN=Smart Union, O=Smart Union, STREET=Beskudnikovsky boulevard 2, L=Moscow, S=Moscow, PostalCode=127474, C=RU

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00D0E5922E2B69FD4D0E3FFA1881ABB3A6

File PE Metadata
Compilation timestamp:
6/21/2016 6:45:34 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:N1JugZFwIYnoke0Qa0mwJyYgXFcEHksQV774dOIs:tdDwIyoke0exgZEsUfKs

Entry address:
0x1280

Entry point:
55, 8B, EC, B8, 48, 8F, 00, 00, E8, B3, FF, FF, FF, 53, 56, 57, C6, 45, F4, 3E, C6, 85, 79, 76, FF, FF, 3E, C6, 85, 89, 74, FF, FF, 3E, 68, AA, 12, 40, 00, C3, 33, F2, 8D, 12, EB, 06, 81, EF, D9, 8B, DF, 12, 87, C9, 8B, 85, 60, 73, FF, FF, C1, E8, 69, 89, 85, 58, 73, FF, FF, C7, 85, 58, 73, FF, FF, 09, 00, 00, 00, 81, BD, 58, 73, FF, FF, 9C, AD, 00, 00, 76, 02, EB, 23, 8B, 8D, 58, 73, FF, FF, 83, C1, 0C, 89, 8D, 58, 73, FF, FF, 68, 11, 3D, 48, 00, FF, 15, 0C, 30, 41, 00, BA, BC, 01, 00, 00, 85, D2, 75, CF...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
71 KB (72,704 bytes)

The file na mtk6572.exe has been seen being distributed by the following URL.

http://dnsrv.ru/tables?keyword=??????? ???????? ?? mtk6572&charset=utf-8

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